Engine Mechanical: 1D-83
Specifications
Service Data
B718H11407001
Valve + Guide
Unit: mm (in)
Camshaft + Cylinder Head
Unit: mm (in)
Cylinder + Piston + Piston Ring
Unit: mm (in)
Item Standard Limit
Valve diam.
IN. 31 (1.22) —
EX. 27 (1.06) —
Valve clearance (when cold)
IN. 0.10 – 0.20 (0.004 – 0.008) —
EX. 0.20 – 0.30 (0.008 – 0.012) —
Valve guide to valve stem clearance
IN. 0.010 – 0.037 (0.0004 – 0.0015) —
EX. 0.030 – 0.057 (0.0012 – 0.0022) —
Valve stem deflection IN. & EX. — 0.35 (0.014)
Valve guide I.D. IN. & EX. 4.500 – 4.512 (0.1772 – 0.1776) —
Valve stem O.D.
IN. 4.475 – 4.490 (0.1762 – 0.1768) —
EX. 4.455 – 4.470 (0.1754 – 0.1760) —
Valve stem runout IN. & EX. — 0.05 (0.002)
Valve head thickness IN. & EX. — 0.5 (0.02)
Valve seat width IN. & EX. 0.9 – 1.1 (0.035 – 0.043) —
Valve head radial runout IN. & EX. — 0.03 (0.001)
Valve spring free length IN. & EX. — 39.6 (1.56)
Valve spring tension IN. & EX.
Approx. 147 N (15.0 kgf, 33.1 lbs)
at length 36.0 mm (1.42 in)
—
Item Standard Limit
Cam height
IN. 35.28 – 35.33 (1.389 – 1.391) 34.98 (1.377)
EX. 34.18 – 34.23 (1.346 – 1.348) 33.88 (1.334)
Camshaft journal oil clearance IN. & EX. 0.032 – 0.066 (0.0013 – 0.0026) 0.150 (0.0059)
Camshaft journal holder I.D. IN. & EX. 24.012 – 24.025 (0.9454 – 0.9459) —
Camshaft journal O.D. IN. & EX. 23.959 – 23.980 (0.9433 – 0.9441) —
Camshaft runout IN. & EX. — 0.10 (0.004)
Cam chain pin (at arrow “3”) 16th pin —
Cylinder head distortion — 0.20 (0.008)
Item Standard Limit
Compression pressure 1 300 – 1 700 kPa (13 – 17 kgf/cm
2
, 185 – 242 psi)
1 000 kPa
(10 kgf/cm
2
, 142 psi)
Compression pressure difference —
200 kPa
(2 kgf/cm
2
, 28 psi)
Piston-to-cylinder clearance 0.025 – 0.035 (0.0010 – 0.0014) 0.120 (0.0047)
Cylinder bore 79.000 – 79.015 (3.1102 – 3.1108) Nicks or Scratches
Piston diam.
78.970 – 78.985 (3.1090 – 3.1096)
Measure 15 mm (0.6 in) from the skirt end.
78.880 (3.1055)
Cylinder distortion — 0.20 (0.008)
Piston ring free end gap
1st IN Approx. 9 (0.35) 7.2 (0.28)
2nd N Approx. 9.5 (0.37) 7.6 (0.30)
Piston ring end gap
1st IN 0.06 – 0.21 (0.002 – 0.008) 0.5 (0.020)
2nd N 0.06 – 0.21 (0.002 – 0.008) 0.5 (0.020)
Piston ring-to-groove clearance
1st — 0.180 (0.0071)
2nd — 0.150 (0.0059)
Piston ring groove width
1st 1.01 – 1.03 (0.040 – 0.041) —
2nd 0.81 – 0.83 (0.032 – 0.033) —
Oil 1.51 – 1.53 (0.059 – 0.060) —
Piston ring thickness
1st 0.97 – 0.99 (0.038 – 0.039) —
2nd 0.77 – 0.79 (0.030 – 0.031) —
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